Articulator for simulating movements of the mandible

Details Articulator for simulating movements of the mandible Articulator for simulating movements of the mandible

1987-02-02

1988-11-01

Scott, Samuel

Dentistry

Apparatus

Work support

433 61, A61C 1100

Patent

active

047815868

ABSTRACT:
In a dental articulator for simulating movements of a mandible relative to an upper jaw, comprising an upper part (2, 4) adapted to carry an upper jaw model (7), a lower part (1) adapted to carry a lower jaw model (8), and a hinge (13, 13) connecting said upper and lower parts, the hinge defining an axis (A-B) extending substantially horizontally in a plane extending substantially perpendicularly to the upper and lower parts for articulating said upper part with respect to the lower part about the hinge axis: the invention provides two pins (18) displaceably mounted in a first laterally extending slot (22) in the upper part (4), the pins extending downwardly from the upper part and being adapted to be fixed in said first slot, a constraining bar (19) fixed to said lower part (1), the constraining bar having a constraining edge in front of said plane and facing rearwardly towards said hinge axis, and the constraining edge being engageable with said pins (18) and spaced from the axis a distance corresponding to the radius of said pins, and two stops (20) displaceably mounted in a second laterally extending slot (21) in said lower part (1), the stops being adapted to be fixed in said second slot and extending upwardly from the lower part for engagement with said pins (18) to cooperate therewith for controlling horizontal components of a simulated chewing movement of said upper and lower articulator parts relative to each other.

REFERENCES:
patent: 3159915 (1964-12-01), Beu et al.
patent: 3590487 (1971-07-01), Guichet
patent: 4245987 (1981-01-01), Bertoldi
patent: 4365955 (1982-12-01), Tradowsky

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